1 files changed, 2 insertions, 2 deletions
diff --git a/io.c b/io.c
index d0257ff42e..b35854c1a8 100644
--- a/io.c
+++ b/io.c
@@ -10314,8 +10314,8 @@ rb_io_s_pipe(int argc, VALUE *argv, VALUE klass)
     extract_binmode(opt, &fmode);
 
     if ((fmode & FMODE_BINMODE) && v1 == Qnil) {
-	rb_io_ascii8bit_binmode(r);
-	rb_io_ascii8bit_binmode(w);
+        rb_io_ascii8bit_binmode(r);
+        rb_io_ascii8bit_binmode(w);
     }
 
 #if DEFAULT_TEXTMODE